Finding the Fourth Proportional to 316,772.24, 475,108.79 and 103,538.53
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Solution
The fourth proportional to 316,772.24, 475,108.79 and 103,538.53 is: 155,291.59
Step by Step Solution
- Step 1: Write the proportion equation
316,772.24 : 475,108.79 = 103,538.53 : x - Step 2: Convert to fraction form
316,772.24/475,108.79 = 103,538.53/x - Step 3: Cross multiply
316,772.24x = 475,108.79 × 103,538.53 - Step 4: Simplify right side
316,772.24x = 49,192,063,331.13 - Step 5: Solve for x
x = 49,192,063,331.13/316,772.24 - Step 6: Final answer
x = 155,291.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.